当时美国正在庆祝建国100周年，首次举办了“1876年艺术、工农业和矿物产品百年庆典展览”（后更名为“万国博览会”，即“世博会”）。

The United States was celebrating its 100th birthday, and the 1876 Centennial Exhibition (later renamed the World's Fair) was held in the U. S. for the first time that year. The memory of the U. S.

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